EDIT

public class EdaphobaseReferenceImport extends EdaphobaseImportBase {

    private static final long serialVersionUID = 6895687693249076160L;

    private static final Logger logger = Logger.getLogger(EdaphobaseReferenceImport.class);

    private static final String tableName = "lit_document";

    private static final String pluralString = "documents";

    /**

     * @param tableName

        Set<Reference> referencesToSave = new HashSet<>();

        try {

            while (rs.next()){

                handleSingleReference(state, rs, referencesToSave);

            }

        } catch (SQLException e) {

            e.printStackTrace();

        }

import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;

/**

 *

 * @author a.mueller

 * @date 21.12.2015

        Map<Object, Map<String, ? extends CdmBase>> result = new HashMap<>();

        Map<String, TeamOrPersonBase<?>> authorMap = new HashMap<>();

        Set<String> authorSet = new HashSet<>();

        try {

            while (rs.next()){